(function (tree) {
tree.Extend = function Extend(selector, option, index) {
this.selector = selector; this.option = option; this.index = index; this.object_id = tree.Extend.next_id++; this.parent_ids = [this.object_id]; switch(option) { case "all": this.allowBefore = true; this.allowAfter = true; break; default: this.allowBefore = false; this.allowAfter = false; break; }
}; tree.Extend.next_id = 0;
tree.Extend.prototype = {
type: "Extend", accept: function (visitor) { this.selector = visitor.visit(this.selector); }, eval: function (env) { return new(tree.Extend)(this.selector.eval(env), this.option, this.index); }, clone: function (env) { return new(tree.Extend)(this.selector, this.option, this.index); }, findSelfSelectors: function (selectors) { var selfElements = [], i, selectorElements; for(i = 0; i < selectors.length; i++) { selectorElements = selectors[i].elements; // duplicate the logic in genCSS function inside the selector node. // future TODO - move both logics into the selector joiner visitor if (i > 0 && selectorElements.length && selectorElements[0].combinator.value === "") { selectorElements[0].combinator.value = ' '; } selfElements = selfElements.concat(selectors[i].elements); } this.selfSelectors = [{ elements: selfElements }]; }
};
})(require(‘../tree’));